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New Alzheimer's Culprit Identified

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More than half a million people in the UK suffer from Alzheimer's disease. Symptoms of this disease, including memory loss and communication problems, are due to sticky protein build ups within the brain, called amyloid plaques. These plaques cause damage to nerve cells and are a hallmark feature of the disease. Currently, there is no cure for Alzheimer's disease. However, researchers at Yale University School of Medicine have made a striking discovery about the role of cellular garbage disposal units, called lysosomes, in the formation of these plaques. Stevie Bain spoke to Shawn Ferguson about the role these lysosomes might play...